brown and black nuts on white ceramic bowl beside brown wooden spoon

Many things can impact the diversity (variety) and richness (levels) of gut bacteria. These include:

  • Birth mode – natural delivery vs caesarean section
  • Breastfeeding or formula feeding
  • Anti-biotics
  • Some medications
  • Stressful events
  • External environment, pollution
  • Types of food eaten
  • Viruses and parasites

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